The Raccoons S05 E04 End of the Line!

"Tonight your house will be invaded by little furry critters."

Sneer needs a product to sell to Mammoth and puts Cedric in charge of the factory. The product is a failure, but a trainload of garbage arrives at the Forest and sets Cedric to thinking about recycling plastics. A new business venture is born, while Ralph learns the unsettling truth about the source of the rubbish.